Home / 1,149,280.77-1,722,738.28-509,885.62

Finding the Fourth Proportional to 1,149,280.77, 1,722,738.28 and 509,885.62

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Solution

The fourth proportional to 1,149,280.77, 1,722,738.28 and 509,885.62 is: 764,303.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,280.77 : 1,722,738.28 = 509,885.62 : x
  2. Step 2: Convert to fraction form
    1,149,280.77/1,722,738.28 = 509,885.62/x
  3. Step 3: Cross multiply
    1,149,280.77x = 1,722,738.28 × 509,885.62
  4. Step 4: Simplify right side
    1,149,280.77x = 878,399,474,720.82
  5. Step 5: Solve for x
    x = 878,399,474,720.82/1,149,280.77
  6. Step 6: Final answer
    x = 764,303.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.